chain_array_allocation.rb in rubocop-0.64.0

- old
+ new

@@ -45,11 +45,12 @@
         # These methods have a mutation alternative. For example :collect
         # can be called as :collect!
         HAS_MUTATION_ALTERNATIVE = ':collect :compact :flatten :map :reject '\
                                    ':reverse :rotate :select :shuffle :sort '\
                                    ':uniq '.freeze
-        MSG = 'Use `%<method>s...%<second_method>s!` instead of `%<method>s' \
-              '...%<second_method>s`.'.freeze
+        MSG = 'Use unchained `%<method>s!` and `%<second_method>s!` '\
+              '(followed by `return array` if required) instead of chaining '\
+              '`%<method>s...%<second_method>s`.'.freeze
 
         def_node_matcher :flat_map_candidate?, <<-PATTERN
           {
             (send (send _ ${#{RETURN_NEW_ARRAY_WHEN_ARGS}} {int lvar ivar cvar gvar}) ${#{HAS_MUTATION_ALTERNATIVE}} $...)
             (send (block (send _ ${#{ALWAYS_RETURNS_NEW_ARRAY} }) ...) ${#{HAS_MUTATION_ALTERNATIVE}} $...)